android-ip-camera/.github/workflows/reproducible-build.yml at main · DigitallyRefined/android-ip-camera · GitHub

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name: Reproducible Build

on:
  push:
    branches:
      - main
  pull_request:
  workflow_dispatch:

jobs:
  verify-reproducible:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v6.0.3

      - name: Set up Java
        uses: actions/setup-java@v5.2.0
        with:
          distribution: temurin
          java-version: 17

      - name: Set up Android SDK
        uses: android-actions/setup-android@v4

      - name: Install SDK components
        run: |
          sdkmanager "platforms;android-34" "build-tools;34.0.0"

      - name: Build release APK (first)
        run: |
          ./gradlew clean :app:assembleRelease \
            -PskipSigning \
            --no-daemon \
            --max-workers=1 \
            -Dorg.gradle.parallel=false
          mkdir -p build/unsigned
          cp app/build/outputs/apk/release/*universal-release.apk build/unsigned/build1.apk

      - name: Clean and build release APK (second)
        run: |
          ./gradlew clean :app:assembleRelease \
            -PskipSigning \
            --no-daemon \
            --max-workers=1 \
            -Dorg.gradle.parallel=false
          mkdir -p build/unsigned
          cp app/build/outputs/apk/release/*universal-release.apk build/unsigned/build2.apk

      - name: Install verification tools
        run: |
          sudo apt-get update
          sudo apt-get install -y --no-install-recommends diffoscope

      - name: Compare APKs
        run: |
          cmp -s build/unsigned/build1.apk build/unsigned/build2.apk
          echo "Reproducible build verification passed (APKs are identical)."

      - name: diffoscope report on failure
        if: failure()
        continue-on-error: true
        run: diffoscope build/unsigned/build1.apk build/unsigned/build2.apk > diffoscope.txt || true

      - name: Upload diffoscope report
        if: failure()
        uses: actions/upload-artifact@v7
        with:
          name: diffoscope-report
          path: diffoscope.txt
          retention-days: 7